Biana Polak, DO
NPI 1588224307 · Rheumatology Physician · Grayslake, IL
Provider details
- NPI number
- 1588224307
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
- License
- 125.074947 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
405 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 119 | $15 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 54 | $9 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 48 | $65 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 40 | $16 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 31 | $29 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 28 | $134 |
Practice location
Mailing address
Additional practice locations (2)
- 2800 E Ajo Way TucsonSuite 103Tucson, AZ 85713-6204Phone: (520) 874-2000
- 5145 N. California AveDepartment of GmeChicago, IL 60625Phone: (773) 878-8200
Registry dates
- Enumerated
- 2019-06-14
- Last updated
- 2025-12-10
- Certified
- 2025-12-10
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.